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CVE-2024-14021

Estado: AnalizadaAlta (8.4)—

LlamaIndex (run-llama/llama_index) versions up to and including 0.11.6 contain an unsafe deserialization vulnerability in BGEM3Index.load_from_disk() in llama_index/indices/managed/bge_m3/base.py. The function uses pickle.load() to deserialize multi_embed_store.pkl from a user-supplied persist_dir without validation. An attacker who can provide a crafted persist directory containing a malicious pickle file can trigger arbitrary code execution when the victim loads the index from disk.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

Deserialización insegura de pickle en LlamaIndex requiere interacción del usuario (cargar índice desde disco), gatillando ejecución arbitraria de código.

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Restrict Web-Based ContentPrivileged Account ManagementLimit Software InstallationExecution PreventionBehavior Prevention on EndpointDisable or Remove Feature or Program

Tecnologías afectadas (1)

Llamaindex — Llamaindex

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2024-14021",
  "cveTags": [],
  "metrics": {
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          "role": "CISA Coordinator",
          "options": [
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            },
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              "automatable": "no"
            },
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              "technicalImpact": "total"
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          "version": "2.0.3",
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          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
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          "privilegesRequired": "NONE",
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          "Automatable": "NOT_DEFINED",
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          "valueDensity": "NOT_DEFINED",
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          "exploitMaturity": "NOT_DEFINED",
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          "integrityRequirement": "NOT_DEFINED",
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          "modifiedAttackRequirements": "NOT_DEFINED",
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          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
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          "vendor": "run-llama",
          "product": "llama_index",
          "versions": [
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              "status": "affected",
              "version": "0",
              "versionType": "semver",
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          "defaultStatus": "unknown"
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  "published": "2026-01-12T23:15:51.413",
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    },
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      "url": "https://huntr.com/bounties/ab4ceeb4-aa85-4d1c-aaca-4eda1b71fc12",
      "tags": [
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        "Third Party Advisory"
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      "source": "disclosure@vulncheck.com"
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    {
      "url": "https://www.llamaindex.ai/",
      "tags": [
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      "tags": [
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  "vulnStatus": "Analyzed",
  "weaknesses": [
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      "description": [
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          "lang": "en",
          "value": "CWE-502"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "LlamaIndex (run-llama/llama_index) versions up to and including 0.11.6 contain an unsafe deserialization vulnerability in BGEM3Index.load_from_disk() in llama_index/indices/managed/bge_m3/base.py. The function uses pickle.load() to deserialize multi_embed_store.pkl from a user-supplied persist_dir without validation. An attacker who can provide a crafted persist directory containing a malicious pickle file can trigger arbitrary code execution when the victim loads the index from disk."
    },
    {
      "lang": "es",
      "value": "Las versiones de LlamaIndex (run-llama/llama_index) hasta la 0.11.6 inclusive contienen una vulnerabilidad de deserialización insegura en BGEM3Index.load_from_disk() en llama_index/indices/managed/bge_m3/base.py. La función utiliza pickle.load() para deserializar multi_embed_store.pkl de un persist_dir proporcionado por el usuario sin validación. Un atacante que pueda proporcionar un directorio persist_dir manipulado que contenga un archivo pickle malicioso puede desencadenar la ejecución de código arbitrario cuando la víctima carga el índice desde el disco."
    }
  ],
  "lastModified": "2026-07-14T23:17:13.753",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:llamaindex:llamaindex:*:*:*:*:*:*:*:*",
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              "matchCriteriaId": "C03B86D9-3F03-496D-A803-B1DC212F8FBF",
              "versionEndIncluding": "0.11.6"
            }
          ],
          "operator": "OR"
        }
      ]
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  ],
  "sourceIdentifier": "disclosure@vulncheck.com"
}